22126357 has 16 divisors (see below), whose sum is σ = 24860160. Its totient is φ = 19522800.

The previous prime is 22126339. The next prime is 22126397. The reversal of 22126357 is 75362122.

It is not a de Polignac number, because 22126357 - 2⁷ = 22126229 is a prime.

It is a Duffinian number.

22126357 is a Rhonda number in base 10.

Its product of digits (5040) is a multiple of the sum of its prime divisors (504).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22126327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66682 + ... + 67012.

It is an arithmetic number, because the mean of its divisors is an integer number (1553760).

Almost surely, 2^22126357 is an apocalyptic number.

It is an amenable number.

22126357 is a deficient number, since it is larger than the sum of its proper divisors (2733803).

22126357 is a wasteful number, since it uses less digits than its factorization.

22126357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 5040, while the sum is 28.

The square root of 22126357 is about 4703.8661758175. The cubic root of 22126357 is about 280.7393597256.

Adding to 22126357 its reverse (75362122), we get a palindrome (97488479).

The spelling of 22126357 in words is "twenty-two million, one hundred twenty-six thousand, three hundred fifty-seven".